Home / 712,437.12-1,068,726.96-263,275.92

Finding the Fourth Proportional to 712,437.12, 1,068,726.96 and 263,275.92

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Solution

The fourth proportional to 712,437.12, 1,068,726.96 and 263,275.92 is: 394,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,437.12 : 1,068,726.96 = 263,275.92 : x
  2. Step 2: Convert to fraction form
    712,437.12/1,068,726.96 = 263,275.92/x
  3. Step 3: Cross multiply
    712,437.12x = 1,068,726.96 × 263,275.92
  4. Step 4: Simplify right side
    712,437.12x = 281,370,073,622.80
  5. Step 5: Solve for x
    x = 281,370,073,622.80/712,437.12
  6. Step 6: Final answer
    x = 394,940.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.